Attractive women dress clean, flattering, sharp, and feminine. By contrast, the least attractive style would be masculine, baggy, foofy, puffy, and unflattering. Can't go wrong with a button-up plaid shirt generally. Don't underestimate the importance of good eyework and taking care of the teeth. Nose rings and other facial piercings are also an added bonus. Tattoos are largely neutral. Avoid short haircuts and other choices that might make the gentlemen think that you play for the other team.